B3311331313231311331322331333132313231321211113313331333132321113321   >>    B331133131323131133132233133313231323132121111331333133313232111332   <<    B3311331313231311331322331333132313231321211113313331333132321113323   >>      B3311331313231311331322331333132313231321211113313331333132321113322   >>